US5687914A - Sprinkler deflector - Google Patents
Sprinkler deflector Download PDFInfo
- Publication number
- US5687914A US5687914A US08/611,245 US61124596A US5687914A US 5687914 A US5687914 A US 5687914A US 61124596 A US61124596 A US 61124596A US 5687914 A US5687914 A US 5687914A
- Authority
- US
- United States
- Prior art keywords
- sprinkler
- plane
- tines
- deflector
- arms
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
- B05B1/262—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors
- B05B1/265—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors the liquid or other fluent material being symmetrically deflected about the axis of the nozzle
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
- A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels
Definitions
- This invention relates to fire prevention sprinklers for distributing liquid in an environment which is subject to a fire hazard.
- Most conventional fire suppression sprinklers consist of a threaded sprinkler body connected to a liquid supply pipe to receive fire extinguishing liquid such as water and having a heat responsive valve blocking a passage in the sprinkler body which is set to open the valve passage when the temperature in the vicinity of the sprinkler exceeds a selected value.
- the sprinkler includes a deflector supported from the sprinkler body usually by a frame consisting of two arms projecting beyond the sprinkler passage on opposite sides of the path of emerging water.
- the deflector may be supported from the sprinkler body by sliding pins rather than fixed arms, allowing the deflector to be optimally positioned automatically and concurrently with the operation of the sprinkler, as is required with certain types of concealed sprinklers.
- the sprinkler deflector consists of a substantially planar disk positioned perpendicular to the sprinkler passage which distributes impinging water radially in the direction parallel to the plane of the disk and formed with radial slots which permit a portion of the impinging water to pass through the disk, i.e., downwardly toward the floor of the protected area when the sprinkler is of the pendent type suspended from a ceiling.
- the water distribution provided by such deflectors has certain shortcomings. In the first place, the arms of the frame which extend from the sprinkler body to support the deflector interfere with distribution of water in the radial direction beyond those arms. Furthermore, the area of the protected environment throughout which the water is distributed as a result of radial distribution by the deflector is limited because the radially distributed water commences falling downwardly immediately upon leaving the deflector.
- the Mohler U.S. Pat. No. 3,918,645 discloses a planar deflector having peripheral tines extending perpendicularly from the deflector surface toward the sprinkler passage to generate a fine vapor cloud, and in the regions adjacent to the sprinkler frame supporting the deflector, the tines are shaped to direct the dispersed cloud of water vapor around the frame arms which support the deflector toward the region radially outward of the frame arms.
- the dispersion of water into fine particles produced by this deflector arrangement may reduce the area to which the water is distributed because of air resistance encountered by the fine drops of water.
- the Loepsinger U.S. Pat. No. 2,025,063 discloses an upright sprinkler with a deflector having downwardly curved side portions consisting of spaced tongues arranged in the form of a square to distribute water over a substantially square area.
- the patent to Glinecke U.S. Pat. No. 4,280,562 discloses a pendent sprinkler having a flat planar disk supported from a sprinkler body by a frame and a surrounding ring of radially extending blades which are twisted at their root ends and bent at their free ends to cause impinging water to be separated into large droplets and distributed circumferentially.
- 4,585,069 discloses a sprinkler nozzle with a deflector having an elongated central apex portion of arcuate configuration and side portions diverging from opposite sides of the apex, each side portion having tines along the terminal edges to distribute water in a relatively narrow elongated spray pattern.
- Another object of the invention is to provide a sprinkler arrangement which produces increased and uniform distribution of liquid emerging from a sprinkler body.
- a sprinkler having a deflector supported from the sprinkler body by spaced frame arms in which the deflector has a plurality of projecting tines with the ends of adjacent pairs of tines inclined in opposite directions with respect to a plane perpendicular to the axis of the sprinkler body.
- the sprinkler is a pendent sprinkler having a deflector with one pair of tines which are aligned with the plane of the sprinkler support arms on opposite sides of the sprinkler axis, each tine having an end portion which is displaced from the central plane of the deflector in the direction away from the sprinkler body and other pairs of adjacent tines disposed on opposite sides of the plane of the support arms in which each of the adjacent tines have their ends inclined respectively away from and toward the plane of the sprinkler frame arms.
- At least one of the tines in each of those pairs also has its end portion inclined toward the sprinkler body to cause impinging liquid to be deflected in the direction toward the sprinkler body as well as laterally with respect to the plane of the sprinkler frame arms, causing liquid to be deflected upwardly, thereby enlarging the area protected by the sprinkler.
- FIG. 1 is a side view, partially in section, illustrating a representative embodiment of a sprinkler arranged in accordance with the invention
- FIG. 2 is a plan view of the deflector shown in the embodiment of the invention illustrated in FIG. 1;
- FIG. 3 is an enlarged fragmentary side view showing one quadrant of the deflector shown in FIGS. 1 and 2;
- FIG. 4 is a fragmentary side view showing the inclination of one tine of the deflector illustrated in FIG. 2, taken on the line IV--IV of FIG. 2 and looking in the direction of the arrows;
- FIG. 5 is a fragmentary side view showing the inclination and displacement of one tine of the deflector illustrated in FIG. 2, taken on the line V--V of FIG. 2 and looking in the direction of the arrows;
- FIG. 6 is a fragmentary side view showing the inclination of one tine of the deflector illustrated in FIG. 2, taken on the line VI--VI of FIG. 2 and looking in the direction of the arrows;
- FIG. 7 is a fragmentary side view showing the inclination and displacement of one tine of the deflector illustrated in FIG. 2, taken on the line VII--VII of FIG. 2 and looking in the direction of the arrows;
- FIG. 8 is a cross-sectional view of the deflector shown in FIG. 2 taken on the line VIII--VIII and looking in the direction of the arrows.
- a pendent sprinkler 10 has a body which has a threaded end 11 adapted to be connected to a pipe to supply water or other fire extinguishing fluid and is formed in the usual manner with a central passage (not visible in FIG. 1).
- the sprinkler includes a frame 12 consisting of two spaced arms 13 and 14 which are joined in a boss 15 at the end remote from the sprinkler body to support a deflector 16.
- the sprinkler 10 is arranged to be mounted in an opening in a ceiling plate 21 and, in the illustrated embodiment, a cup-shaped cover support 22 is mounted on the neck 23 of the sprinkler body and is formed with a thread 24 in a circumferentially depending portion 25.
- a generally hemispherical cover member 27 is joined by solder joints 28 to depending tabs 29 of a sleeve 30 which is received within the depending portion 25 and has a plurality of helically arranged projections 31 located and shaped to engage the thread 24 of the peripheral depending portion 25 of the cup-shaped cover support 22, thereby permitting the cover member 27 to be adjustably mounted with respect to the sprinkler by rotation of the sleeve 30 within the depending portion 25.
- a leaf spring 33 engages a circumferential shoulder 34 on the sleeve 30 and has a plurality of spring fingers 35 urging the rim of the cover member 27 away from the sleeve member 30 as described, for example, in the Leininger et al. U.S. Pat. No. 4,880,063.
- the sleeve 30 is formed with longitudinally extending slots 36 separating the sleeve into a plurality of segments which are resiliently biased toward the depending portion 25, permitting the sleeve to be moved axially into position within the cup-shaped support 22, if desired.
- the cover member 27 may have a truncated conical shape rather than a hemispherical shape or, if the deflector is supported on sliding pins, a flat cover member may be used. Alternatively, the cover member 27 may be omitted and the sleeve 30 and cover support 22 may be replaced by an escutcheon in which the sprinkler 10 is mounted in a recessed position with the deflector 16 located below the bottom surface of the ceiling plate 21.
- the solder joints 28 fuse, permitting the spring fingers 35 to force the cover away from the sleeve 30 and, when the temperature exceeds the actuation temperature of the temperature responsive element 17, the glass bulb is fragmented, or if a solder element is provided the solder is fused, releasing the plug 18 and permitting liquid to pass through the axial opening in the sprinkler body and impinge the deflector 16. Because the arms 13 and 14 of the frame which supports the deflector 16 interfere with the passage of water toward the deflector and therefore reduce the liquid available for distribution along the plane of the deflector arms 13 and 14, the distribution of the impinging water must be modified to compensate for the reduction in water applied to the deflector 16 in the plane of the support arms 13 and 14.
- the deflector 16 has a periphery formed with a series of substantially radial slots of different lengths 39 and 40 separating the peripheral part of the deflector into an array of spaced tines 41-47. All of the tines are joined to a central portion 50 of the deflector along a dashed line 51, the central portion 50 lying in a plane perpendicular to the axis of the sprinkler body. Since the construction and arrangement of the sets of tines on opposite sides of the plane of the arms 13 and 14 is identical, both sets have the same reference numerals and only one set will be described in detail. Moreover, the tine arrangements on the opposite sides of the plane perpendicular to that plane are mirror images of each other.
- the set of tines in each of these quadrants includes a tine 44 extending perpendicularly to the plane of the frame arms 13 and 14 and lying in the same plane as the central portion 50 of the deflector, the plane of the bottom surface of the central portion being represented by the line 52 in the drawings.
- Each of the tines 41-43, 46 and 47 is bent along the dashed line 51 shown in FIG. 2 away from the lower plane of the central portion 50 of the deflector which is represented in FIGS. 3-8 by a line 52.
- the outer end of the tine 43 is bent upwardly with respect to the plane 52 by a distance A and inclined with respect to that plane toward the plane of the frame arms 13 and 14 by an angle ⁇ whereas the outer end of the tine 42 has one edge abutting the plane 52 and is inclined upwardly at an angle ⁇ away from the plane of the frame arms 13 and 14.
- the outer end of the tine 47 has one edge abutting the plane 52 and is also inclined at an angle ⁇ away from the plane of the frame arms while, as illustrated in FIG. 5, the outer end of the tine 46 has one edge spaced upwardly by a distance A from the plane 52 and is inclined at an angle ⁇ toward the plane of the frame arms 13 and 14.
- the tines 41 which intersect the plane of the frame arms 13 and 14 are approximately twice as wide as the other tines, each including an angle of approximately 45°. Moreover, as shown in FIG. 8, the tines 41 are bent downwardly from the central region 50 of the deflector along the line 51 and are then bent upwardly by a small angle ⁇ with respect to the plane 52 along a line 53, providing an overall distance B between the upper surface of the central portion 50 of the deflector and the lower portion of the tines 41.
- FIG. 8 also illustrates the overall diameter C of the deflector, the dimension D between the lower bend line 53 of the opposite tines 41, the dimension E between the upper bend line 52 of those tines, and the diameter F of the mounting hole 55 by which the deflector is secured to the boss 15 as shown in FIG. 1.
- Table 1 below sets forth the values for the dimensions and angles shown in FIGS. 4-8 for a representative embodiment of the invention, as well as suitable ranges for those values in deflectors having a thickness of about 0.05 inch (1.27 mm) intended for use in the present invention:
- a deflector arrangement in accordance with the invention in which tines adjacent to the plane of the sprinkler frame arms have ends which are alternately inclined toward and away from that plane in the upward direction from the central portion of the deflector, fire extinguishing liquid is distributed more uniformly and over a larger area of a region to be protected than with a conventional planar deflector.
- the provision of larger tines intersecting the plane of the sprinkler frame arms having outer ends which extend below the plane of the central portion of the deflector and are inclined slightly upwardly with respect to that plane also facilitates uniformity and an enlarged distribution area for liquid from the sprinkler by compensating for the shadow effect of the arms interfering with the water distribution.
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
Description
TABLE 1 ______________________________________ Dimension Value Range ______________________________________ A 0.011 inch (0.28 mm) 0.0-0.04 inch (0-1.0 mm) B 0.095 inch (2.41 mm) 0.08-0.15 inch (2.0-3.8 mm) C 1.056 inch (26.83 mm) 0.8-1.3 inch (20.3-33.0 mm) D 0.782 inch (19.86 mm) 0.5-1.0 inch (12.7-25.4 mm) E 0.565 inch (14.37 mm) 0.35-0.8 inch (8.9-20.3 mm) F 0.33 inch (8.38 mm) 0.2-0.4 inch (5.1-10.2 mm) α 8.5° 2-15° β 6° 2-15° γ 2.5° 0.5-8° ______________________________________
Claims (13)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/611,245 US5687914A (en) | 1996-03-05 | 1996-03-05 | Sprinkler deflector |
PCT/US1996/017395 WO1997032670A1 (en) | 1996-03-05 | 1996-11-08 | Sprinkler deflector |
EP96940265A EP0823865A4 (en) | 1996-03-05 | 1996-11-08 | Sprinkler deflector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/611,245 US5687914A (en) | 1996-03-05 | 1996-03-05 | Sprinkler deflector |
Publications (1)
Publication Number | Publication Date |
---|---|
US5687914A true US5687914A (en) | 1997-11-18 |
Family
ID=24448245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/611,245 Expired - Fee Related US5687914A (en) | 1996-03-05 | 1996-03-05 | Sprinkler deflector |
Country Status (3)
Country | Link |
---|---|
US (1) | US5687914A (en) |
EP (1) | EP0823865A4 (en) |
WO (1) | WO1997032670A1 (en) |
Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5890657A (en) * | 1997-01-28 | 1999-04-06 | The Reliable Automatic Sprinkler Co., Inc. | Sprinkler arrangement |
US5915479A (en) * | 1997-06-12 | 1999-06-29 | The Reliable Automatic Sprinkler | Velo sprinkler arrangement for protecting special occupancy hazards |
US6026907A (en) * | 1998-12-08 | 2000-02-22 | The Reliable Automatic Sprinkler, Co. Inc. | Fast response residential sprinkler arrangement |
US6059044A (en) * | 1998-05-15 | 2000-05-09 | Grinnell Corporation | Fire protection sprinkler and deflector |
US6276460B1 (en) | 2000-05-23 | 2001-08-21 | Reliable Automatic Sprinkler Co., Inc. | Residental sprinkler arrangement |
WO2001078842A1 (en) * | 2000-04-18 | 2001-10-25 | The Reliable Automatic Sprinkler Co., Inc. | Concealed horizontal sidewall sprinkler arrangement |
EP1264616A1 (en) | 2001-06-05 | 2002-12-11 | The Reliable Automatic Sprinkler Co., Inc. | Residential sprinkler arrangement |
US20040195379A1 (en) * | 2003-03-11 | 2004-10-07 | Trent Rance | Spray nozzle suitable for use in hot corrosive environments and method of use |
US6962208B2 (en) | 2000-05-17 | 2005-11-08 | The Viking Corporation | Compact pendant sprinkler head |
US7165624B1 (en) | 1998-05-15 | 2007-01-23 | Grinnell Corporation | Early suppression fast response fire protection sprinkler |
WO2006133057A3 (en) * | 2005-06-03 | 2007-05-31 | Tyco Fire Products Lp | Residential flat plate concealed sprinkler |
US20070246232A1 (en) * | 2006-04-20 | 2007-10-25 | The Reliable Automatic Sprinkler Co., Inc. | Extended coverage, storage, automatic fire protection sprinkler |
US20070256843A1 (en) * | 2006-05-04 | 2007-11-08 | The Reliable Automatic Springkler Co., Inc. | Enhanced protection extended coverage pendent fire protection sprinkler |
US20080196905A1 (en) * | 2006-06-27 | 2008-08-21 | Jeffrey Pigeon | Fire sprinkler system and method of installation |
US20080202773A1 (en) * | 2006-06-27 | 2008-08-28 | Jeffrey Pigeon | Fire sprinkler |
US20100276164A1 (en) * | 2009-04-29 | 2010-11-04 | The Viking Corporation | Fire Protection Sprinkler |
US20110036598A1 (en) * | 2008-02-13 | 2011-02-17 | The Reliable Automatic Sprinkler Co., Inc. | Apparatus and method for fire protection for storage occupancies |
US8122969B1 (en) | 2000-11-22 | 2012-02-28 | Tyco Fire Products Lp | Low pressure, extended coverage, fire protection sprinkler |
US8327946B1 (en) | 2002-07-19 | 2012-12-11 | Tyco Fire Products Lp | Dry sprinkler |
US8469112B1 (en) | 2002-07-19 | 2013-06-25 | Tyco Fire Products Lp | Dry sprinkler |
JP5323986B2 (en) * | 2010-04-06 | 2013-10-23 | 千住スプリンクラー株式会社 | Sprinkler head |
US20150122513A1 (en) * | 2012-04-20 | 2015-05-07 | Tyco Fire Products Lp | Dry sprinkler assemblies |
US9381386B2 (en) | 2006-06-27 | 2016-07-05 | Firebird Sprinkler Company Llc | Fire sprinkler with flue-penetrating non-circular spray pattern |
WO2018048687A1 (en) * | 2016-09-09 | 2018-03-15 | Victaulic Company | Fire suppression sprinkler and deflector |
WO2019125665A1 (en) * | 2017-12-21 | 2019-06-27 | Bete Fog Nozzle, Inc. | Spray nozzle and method |
US11213707B2 (en) | 2018-03-08 | 2022-01-04 | Victaulic Company | Fire suppression sprinkler and deflector |
USD943061S1 (en) * | 2019-04-01 | 2022-02-08 | Marine Turbine Technologies, LLC | Fuel nozzle |
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US2025063A (en) * | 1931-04-14 | 1935-12-24 | Gen Fire Extinguisher Co | Sprinkler |
US2101694A (en) * | 1936-10-10 | 1937-12-07 | Tyden Emil | Sprinkler head |
US2135138A (en) * | 1937-05-28 | 1938-11-01 | Rockwood Sprinkler Co Massachusetts | Automatic sprinkler and deflector therefor |
FR1106820A (en) * | 1954-08-04 | 1955-12-23 | Fr Knock Out Soc | Liquid diffuser |
GB969923A (en) * | 1961-11-15 | 1964-09-16 | Mather & Platt Ltd | Improvements in deflector sprinklers |
US3703993A (en) * | 1970-09-23 | 1972-11-28 | James W Schreiner | Sprinkler deflector |
US3918645A (en) * | 1974-07-10 | 1975-11-11 | Jomos Sprinkler Material Ag | Sprinkler valves |
SU593744A1 (en) * | 1976-10-06 | 1978-02-25 | Ярославский политехнический институт | Liquid atomizer |
US4280562A (en) * | 1979-11-14 | 1981-07-28 | Globe Fire Equipment Company | Distributor for fire protection sprinkler head |
US4296815A (en) * | 1980-03-10 | 1981-10-27 | Grinnell Fire Protection Systems Company, Inc. | Deflector with converging lower tines for horizontal sprinkler |
US4296816A (en) * | 1980-03-10 | 1981-10-27 | Grinnell Fire Protection Systems Company, Inc. | Horizontal sprinkler deflector with flow lifting formation |
US4585069A (en) * | 1984-10-18 | 1986-04-29 | Grinnell Fire Protection Systems Company, Inc. | Liquid discharge nozzle |
US4700893A (en) * | 1986-07-25 | 1987-10-20 | The Marley Cooling Tower Company | Multipurpose non-clogging nozzle for water cooling towers |
US4880063A (en) * | 1987-04-13 | 1989-11-14 | The Reliable Automatic Sprinkler Co., Inc. | Adjustable concealed sprinkler |
US4987957A (en) * | 1989-10-27 | 1991-01-29 | Star Sprinkler Corporation | Deflector for side wall sprinkler head |
Family Cites Families (1)
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US2550456A (en) * | 1946-11-26 | 1951-04-24 | Fluor Corp | Spray nozzle |
-
1996
- 1996-03-05 US US08/611,245 patent/US5687914A/en not_active Expired - Fee Related
- 1996-11-08 EP EP96940265A patent/EP0823865A4/en not_active Withdrawn
- 1996-11-08 WO PCT/US1996/017395 patent/WO1997032670A1/en not_active Application Discontinuation
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US2025063A (en) * | 1931-04-14 | 1935-12-24 | Gen Fire Extinguisher Co | Sprinkler |
US2101694A (en) * | 1936-10-10 | 1937-12-07 | Tyden Emil | Sprinkler head |
US2135138A (en) * | 1937-05-28 | 1938-11-01 | Rockwood Sprinkler Co Massachusetts | Automatic sprinkler and deflector therefor |
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US3703993A (en) * | 1970-09-23 | 1972-11-28 | James W Schreiner | Sprinkler deflector |
US3918645A (en) * | 1974-07-10 | 1975-11-11 | Jomos Sprinkler Material Ag | Sprinkler valves |
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US4280562A (en) * | 1979-11-14 | 1981-07-28 | Globe Fire Equipment Company | Distributor for fire protection sprinkler head |
US4296815A (en) * | 1980-03-10 | 1981-10-27 | Grinnell Fire Protection Systems Company, Inc. | Deflector with converging lower tines for horizontal sprinkler |
US4296816A (en) * | 1980-03-10 | 1981-10-27 | Grinnell Fire Protection Systems Company, Inc. | Horizontal sprinkler deflector with flow lifting formation |
US4585069A (en) * | 1984-10-18 | 1986-04-29 | Grinnell Fire Protection Systems Company, Inc. | Liquid discharge nozzle |
US4700893A (en) * | 1986-07-25 | 1987-10-20 | The Marley Cooling Tower Company | Multipurpose non-clogging nozzle for water cooling towers |
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Cited By (72)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5890657A (en) * | 1997-01-28 | 1999-04-06 | The Reliable Automatic Sprinkler Co., Inc. | Sprinkler arrangement |
US5915479A (en) * | 1997-06-12 | 1999-06-29 | The Reliable Automatic Sprinkler | Velo sprinkler arrangement for protecting special occupancy hazards |
US20100032173A1 (en) * | 1998-05-15 | 2010-02-11 | Tyco Fire Products Lp | Early suppression fast response fire protection sprinkler |
US8176988B2 (en) | 1998-05-15 | 2012-05-15 | Tyco Fire Products Lp | Early suppression fast response fire protection sprinkler |
US8485270B2 (en) | 1998-05-15 | 2013-07-16 | Tyco Fire Products Lp | Early suppression fast response fire protection sprinkler |
US20100212919A1 (en) * | 1998-05-15 | 2010-08-26 | Tyco Fire Products Lp | Early suppression fast response fire protection sprinkler |
US20100071916A1 (en) * | 1998-05-15 | 2010-03-25 | Tyco Fire Products Lp | Early suppression fast response fire protection sprinkler |
US7730959B2 (en) | 1998-05-15 | 2010-06-08 | Tyco Fire Products Lp | Early suppression fast response fire protection sprinkler |
US8186448B2 (en) | 1998-05-15 | 2012-05-29 | Tyco Fire Products Lp | Early suppression fast response fire protection sprinkler |
US7766091B2 (en) | 1998-05-15 | 2010-08-03 | Tyco Fire Products Lp | Early suppression fast response fire protection sprinkler |
US20070114047A1 (en) * | 1998-05-15 | 2007-05-24 | Grinnell Corporation | Early suppression fast response fire protection sprinkler |
US6059044A (en) * | 1998-05-15 | 2000-05-09 | Grinnell Corporation | Fire protection sprinkler and deflector |
US7735570B2 (en) | 1998-05-15 | 2010-06-15 | Tyco Fire Products Lp | Early suppression fast response fire protection sprinkler |
US7165624B1 (en) | 1998-05-15 | 2007-01-23 | Grinnell Corporation | Early suppression fast response fire protection sprinkler |
EP1008367A3 (en) * | 1998-12-08 | 2001-08-08 | The Reliable Automatic Sprinkler Co., Inc. | Sprinkler arrangement |
US6026907A (en) * | 1998-12-08 | 2000-02-22 | The Reliable Automatic Sprinkler, Co. Inc. | Fast response residential sprinkler arrangement |
EP1008367A2 (en) | 1998-12-08 | 2000-06-14 | The Reliable Automatic Sprinkler Co., Inc. | Sprinkler arrangement |
US6374919B1 (en) | 2000-04-18 | 2002-04-23 | The Reliable Automatic Sprinkler Co., Inc. | Concealed horizontal sidewall sprinkler arrangement |
WO2001078842A1 (en) * | 2000-04-18 | 2001-10-25 | The Reliable Automatic Sprinkler Co., Inc. | Concealed horizontal sidewall sprinkler arrangement |
US20060131036A1 (en) * | 2000-05-17 | 2006-06-22 | The Viking Corporation, A Corporation Of The State Of Michigan | Compact pendant sprinkler head |
US6962208B2 (en) | 2000-05-17 | 2005-11-08 | The Viking Corporation | Compact pendant sprinkler head |
US8087467B2 (en) | 2000-05-17 | 2012-01-03 | The Viking Corporation | Compact pendant sprinkler head |
US6276460B1 (en) | 2000-05-23 | 2001-08-21 | Reliable Automatic Sprinkler Co., Inc. | Residental sprinkler arrangement |
US8657020B1 (en) | 2000-11-22 | 2014-02-25 | Tyco Fire Products Lp | Low pressure, extended coverage, fire protection sprinkler |
US8925641B1 (en) | 2000-11-22 | 2015-01-06 | Tyco Fire Products Lp | Low pressure, extended coverage, fire protection sprinkler |
US8899341B1 (en) | 2000-11-22 | 2014-12-02 | Tyco Fire Products Lp | Low pressure, extended coverage, fire protection sprinkler |
US8839877B1 (en) | 2000-11-22 | 2014-09-23 | Tyco Fire Products Lp | Low pressure, extended coverage, fire protection sprinkler |
US8122969B1 (en) | 2000-11-22 | 2012-02-28 | Tyco Fire Products Lp | Low pressure, extended coverage, fire protection sprinkler |
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Also Published As
Publication number | Publication date |
---|---|
EP0823865A4 (en) | 2001-01-24 |
EP0823865A1 (en) | 1998-02-18 |
WO1997032670A1 (en) | 1997-09-12 |
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